==Overview==
The article describes how to configure conditional lists of values in custom field. These lists, also known as dependent dropdown lists, change their available options based on the selection made in another, related field (the Parent Field). This functionality is applicable to custom fields:
* [[Custom Field Type: Select Many – Check Boxes|Select Many – Check Boxes]]
* [[Custom Field Type: Select One - Dropdown List]]
The article explains the configuration process using the '''ssOption''' syntax and provides examples of how these conditional lists work in practice.
==Configuration==
The list of values selectable in a custom field can be made conditional upon the value selected in another custom field. This functionality can be configured on the following [[:Category:Custom Field Types|custom field types]]:
* [[Custom Field Type: Select Many – Check Boxes|Select Many – Check Boxes]]
<!--* [[Custom Field Type: Select Many – List Box|Select Many – List Box]]
* [[Custom Field Type: Select Many – Scrolling Check Box|Select Many – Scrolling Check Box]]-->
* [[Custom Field Type: Select One - Dropdown List]]
* surround the dependent values with the ssOption syntax:
: <span style="font-size: medium;"pre><ssOption:''Parent Value 1''>;''Dependent Value 1'';''Dependent Value 2''</ssOption></spanpre>
In the configuration shown below: